Regarding this question, the costs and procedures for opening a store on Jingdong Huicai are as follows:

Fees:

1. Store deposit: 2,000 yuan (need to be paid when opening a store, can be used for store operation, cannot be withdrawn)

2. Platform service fee: charged according to a certain percentage of sales

Process:

1. Register a Jingdong account: Go to the Jingdong Huicai official website and click the registration button to register an account.

2. Submit information: Fill in relevant information such as company information, store information, bank account, etc., and conduct real-name authentication.

3. Pay a deposit: After the information is reviewed and approved, a store deposit of 2,000 yuan is required.

4. Complete store information: Log in to the Huicai management backend, complete the store information, set the store name, store LOGO, store introduction, etc.

5. Product listing: select the product to be sold, fill in the product information, upload product pictures, and set parameters such as price and inventory.

6. Operation and promotion: carry out store publicity and promotion to increase store exposure and sales.

7. Order processing: receive customer orders and process them, including order confirmation, delivery, return and exchange, etc.

8. Settlement and settlement: JD Huicai charges a certain platform service fee based on sales, and the settlement time is monthly.

The above is the basic situation of JD Huicai's store opening fees and processes. The specific operation steps may be adjusted. Please refer to the latest regulations of JD Huicai's official website.